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How are differences between DNA amino acid sequence used to show relatedness between species?
Differences in DNA amino acid sequence are used to determine the degree of similarity between species. The more similar the amino acid sequences are between two species, the more closely related they are thought to be. This information helps scientists understand evolutionary relationships and build phylogenetic trees to show how different species are related to each other.
Show how alanine could be deaminated to give the end-products indicated alanine pyruvic acid of what value is deamination to a microbe?
Alanine can be deaminated by the enzyme alanine deaminase to form pyruvic acid. This reaction involves the removal of the amino group (-NH2) from alanine. Deamination is valuable to a microbe as it provides a source of carbon for energy production through the production of pyruvic acid, which can enter the citric acid cycle or be used in gluconeogenesis.
Decarboxylation of an amino acid results in the evolution of carbon dioxide would a gas trap be an accurate measure of decarboxylation?
Yes, a gas trap can be an accurate measure of decarboxylation of an amino acid since the evolution of carbon dioxide is a characteristic reaction of decarboxylation. By capturing and measuring the evolved carbon dioxide in the gas trap, one can infer the extent of decarboxylation that has occurred.
Do two proteins that have similar amino acid sequences have similar functions even if they are isolated from different organisms?
Functional similarity depends on the similarity percentage and the positioning of the conserved residuesin the sequences that are important for interaction. Usually the sequences showing 35% or more MAY tend to show functional similarity but again as i said it ALSO depends on the conserved residues in the sequences which may be located in the active site.
What are the acid-fast stain results for Bacillus subtilis?
Bacillus subtilis is a Gram-positive bacterium and does not typically show acid-fast staining results. This means that it does not retain the stain when subjected to the acid-fast staining procedure commonly used to detect mycobacteria.
Why an organic compound is able to show optical isomerism but not geometrical isomerism?
Optical isomerism arises due to the presence of chiral centers in a molecule, which leads to the molecule being non-superimposable on its mirror image. Geometrical isomerism, on the other hand, arises from restricted rotation around a double bond or ring. Organic compounds can exhibit optical isomerism if they have chiral centers but typically do not show geometrical isomerism unless there are specific structural features like double bonds or rings that limit rotation.
Optical isomerism in aldehydes and ketones?
The carbonyl group present in aldehydes or ketones itself is optically inactive but if a carbon attached to carbonyl group is asymmetric (attached to four different groups or atoms) then such compound may show to enantiomers as there are two enantiomers of CH3-CHCl-CHO.
How do alkenes show geometric isomerism?
Alkenes show geometric isomerism when they have restricted rotation around the double bond, leading to different spatial arrangements of atoms. This can occur when two different groups are attached to each carbon of the double bond, resulting in cis-trans isomerism.
Why elctrovalent compound does not show the isomerism while covalent compound show isomerism?
Nt sure I agree with the question. Consider the octahedral polyatomic ion Co(NH3)4Cl2+ this has trans and cis isomers (chlorines opposite each other at 180 0 or next to each other at 90 0). Generelly isomerism is rare in electrovalent compounds. One interesting example is the optical isomerism of ammonium sodium tartrate discovered by Pasteur.
What is the minimum number of different amino acid needed to synthesized most proteins?
20 different amino acids are needed to synthesize most proteins. These amino acids can be combined in different sequences to create an almost infinite variety of protein structures and functions. Each amino acid has its own unique side chain that contributes to the overall properties of the protein.
Why does a tetrahedral complex of the type MA2B2 not show geometrical isomerism?
A tetrahedral complex of the type MA2B2 does not show geometrical isomerism because the ligands are the same and located in identical positions relative to the metal center, resulting in the same spatial arrangement. Geometrical isomerism arises when there is restricted rotation around a bond, leading to different spatial arrangements of ligands.
What does an amino acid table show?
An amino acid table shows the 20 standard amino acids along with their three-letter and one-letter abbreviations, chemical structures, and properties such as polarity and charge. It provides a quick reference for researchers and students studying protein structure and function.
Why 2-butene show geometric isomerism while 1-butene does not?
2-butene show geomatric isomerism because each double bond carbon atom has two different group
Which amino acid forms a dimer that help in protein stability?
It would be the amino acid that has sulfur in it's R group because sulfur forms covalent dimers that strongly bond in proteins. Name escapes my memory, but any amino acid that is complete should show you this.
How are differences between DNA amino acid sequence used to show relatedness between species?
Differences in DNA amino acid sequence are used to determine the degree of similarity between species. The more similar the amino acid sequences are between two species, the more closely related they are thought to be. This information helps scientists understand evolutionary relationships and build phylogenetic trees to show how different species are related to each other.
What are the isomers of 1-chloro-1-fluorocyclopropane?
This is only one compound and does not show isomerism.
Why electrovalent compound does not show isomerism?
Electrovalent compounds, also known as ionic compounds, do not show isomerism because their structure is determined by the arrangement of oppositely charged ions rather than the orientation of atoms. Isomerism requires a different arrangement of atoms in a molecule, which is not possible in ionic compounds as they exist as a three-dimensional array of ions held together by strong electrostatic forces.
